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Old 05-30-2011, 06:26 PM   #1
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Exhaust Question

I've been getting complaints about my car being too loud or whatever. I knew there was a leak in the exhaust somewhere and it never really bothered me. However with my current living situation, its necessary to fix. With much dismay, i took my car over to an Express Oil Change and threw it up on a lift. there are two holes in my rear silencer ( i think its called that... after the cat and before the muffler). The holes are pretty small, maybe 3 in. x 1 in. The jackhole who was "helping" me out said that he couldn't patch them and that I would have to buy a whole new silencer. I have little interest in buying new components as I would one day like to throw a whole new exhaust from the turbo out. My question is, has anyone successfully done an exhaust patch? Are they too big to patch? Must I buy a whole new silencer? Any advice would be greatly appreciated.

On a completely unrelated note.... The aforementioned jackhole also checked the relays on my master cylinder as its having issues. When he brought it down and gave it back to me, it was idling like absolute dog sh*t. I know for certain that it was idling like a dream when I gave it to him. Could him grounding to the car and testing relays screw with my O2 sensor or something?

Lesson learned: don't ever let anyone else touch my car.

Thanks in advance for any input.
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Old 05-30-2011, 06:37 PM   #2
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u could just cut the res out and weld in a straight pipe. usually cost bout 80 bucks for an exhaust shop to do it unless u do it yourself. easy fix anyway
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Old 05-30-2011, 07:31 PM   #3
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The aforementioned jackhole also checked the relays on my master cylinder as its having issues. When he brought it down and gave it back to me, it was idling like absolute dog sh*t. I know for certain that it was idling like a dream when I gave it to him. Could him grounding to the car and testing relays screw with my O2 sensor or something?
Whats are "relays on my master cylinder"?
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Old 05-30-2011, 08:20 PM   #4
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u could just cut the res out and weld in a straight pipe. usually cost bout 80 bucks for an exhaust shop to do it unless u do it yourself. easy fix anyway
Wouldn't that make it loud as hell still? I need it to be more quiet.

I'm refering to the ABS and Pump relays that happen to be situated close to the master cylinder.
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Old 05-31-2011, 02:45 AM   #5
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a 1x3 " hole is about the size of your tail pipe so thats a massive leak.you need a new system.
maybe he burned a fuse ,check that and check to see if he knocked a vacuum hose off or something.most of the cars relays are under the upper dash panel.he might have been playing with the ABS relays which are under the hood near the battery if i remember right.So check in that area of the engine for a loose hose.
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Old 05-31-2011, 03:13 AM   #6
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Wouldn't that make it loud as hell still? I need it to be more quiet.

I'm refering to the ABS and Pump relays that happen to be situated close to the master cylinder.
no, exhaust leaks are always annoying loud and sound like shit.

if you weld in a straight pipe it will actually be slightly quieter as you still have the rear muffler to dampen noise and the entire exhaust will sound better.

youll have a more deep bass tone at idle(not even really noticable) then when you get on it youll have a nice little gurgle. driving around town you wont even know the difference.
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Old 06-11-2011, 07:21 PM   #7
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I had a buddy weld in a straight pipe... for free. had to have a professional muffler shop clean up the welds. the pipe cost me $7 and the weld job was $48. Not bad considering the yields. It sounds amazing now. thanks for the advice!

on a side note, when the welder grounded to the car, it made the idling act up again... I'd love to know why.
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